let x = ['test1', 'test2', 'test3', 'test4', 'test5'];
let y = [10, 20, 30, 40, 50,];
const wid = 20;
const w1 = Math.sin(Math.PI / 6) * wid; //4
const w2 = Math.sin(Math.PI / 3) * wid; // 6.8
const snapHeight = wid / 2;
const CubeLeft = echarts.graphic.extendShape({
shape: {
x: 0,
y: 0
},
buildPath: function (ctx, shape) {
// 会canvas的应该都能看得懂，shape是从custom传入的
const xAxisPoint = shape.xAxisPoint
const c0 = [shape.x, shape.y]
const c1 = [shape.x - w2, shape.y]
const c2 = [shape.x - w2, xAxisPoint[1]]
const c3 = [shape.x, xAxisPoint[1]]
ctx.moveTo(c0[0], c0[1]).lineTo(c1[0], c1[1]).lineTo(c2[0], c2[1]).lineTo(c3[0], c3[1]).closePath()
}
})
// 绘制右侧面
const CubeRight = echarts.graphic.extendShape({
shape: {
x: 0,
y: 0
},
buildPath: function (ctx, shape) {
const xAxisPoint = shape.xAxisPoint
const c1 = [shape.x, shape.y]
const c2 = [shape.x, xAxisPoint[1]]
const c3 = [shape.x + w1, xAxisPoint[1] - w2 + snapHeight]
const c4 = [shape.x + w1, shape.y - w2 + snapHeight]
ctx.moveTo(c1[0], c1[1]).lineTo(c2[0], c2[1]).lineTo(c3[0], c3[1]).lineTo(c4[0], c4[1]).closePath()
}
})
// 绘制顶面
const CubeTop = echarts.graphic.extendShape({
shape: {
x: 0,
y: 0
},
buildPath: function (ctx, shape) {
//
const c1 = [shape.x, shape.y]
const c2 = [shape.x + w1, shape.y - w2 + snapHeight] //右点
const c3 = [shape.x - w2 + w1, shape.y - w2 + snapHeight]
const c4 = [shape.x - w2, shape.y]
ctx.moveTo(c1[0], c1[1]).lineTo(c2[0], c2[1]).lineTo(c3[0], c3[1]).lineTo(c4[0], c4[1]).closePath()
}
})
// 注册三个面图形
echarts.graphic.registerShape('CubeLeft', CubeLeft)
echarts.graphic.registerShape('CubeRight', CubeRight)
echarts.graphic.registerShape('CubeTop', CubeTop)
option = {
//你的代码
backgroundColor: 'rgba(0,0,0,.8)',
tooltip: {
show: false,
trigger: 'axis',
axisPointer: {
type: 'shadow'
},
},
grid: {
left: '5%',
right: '5%',
top: '15%',
bottom: '10%',
containLabel: true
},
xAxis: {
type: 'category',
data: x,
axisLine: {
show: true,
lineStyle: {
color: '#fff',
width: 1
}
},
axisTick: {
show: false,
length: 9,
alignWithLabel: true,
lineStyle: {
color: '#fff'
}
},
axisLine: {
show: true,
lineStyle: {
color: '#565f6a',
width: 1
}
},
axisLabel: {
color: '#fff',
interval: 0,
},
splitLine: {
show: false,
lineStyle: {
color: '#ffffff',
}
},
},
yAxis: [
{
name: '万千瓦时',
nameTextStyle: {
color: "#fff",
fontSize: 20,
},
type: 'value',
axisLine: {
show: true,
lineStyle: {
color: '#565f6a',
width: 1
}
},
axiosTick: {
show: false
},
axisLabel: {
show: true,
fontSize: 20,
color: "#fff",
margin: 10,
},
splitLine: {
show: true,
lineStyle: {
color: 'rgba(5, 80, 123, .1)',
type: 'dashed',
width: 1
}
},
}, {
type: "value",
name: "%",
min: 0,
max: 100,
nameTextStyle: {
color: "#fff",
fontSize: 20,
padding: [0, 0, 10, 30],
},
axisLine: {
show: true,
lineStyle: {
color: "#84929f",
},
},
// splitNumber: 5,
splitLine: {
show: true,
lineStyle: {
type: "dashed",
width: 1,
// 使用深浅的间隔色
color: ["#566471", "#566471"],
},
},
axisLabel: {
show: true,
fontSize: 20,
color: "#fff",
margin: 10,
},
},
],
series: [
{
name: "同比",
type: "line",
yAxisIndex: 1, //使用的 y 轴的 index，在单个图表实例中存在多个 y轴的时候有用
smooth: true, //平滑曲线显示
symbol: "circle", //标记的图形为实心圆
symbolSize: 0, //标记的大小
itemStyle: {
// normal: {
color: "rgba(253,246,70,1)",
borderColor: "rgba(253,246,70,1)", //圆点透明 边框
borderWidth: 0,
lineStyle: {
color: "rgba(253,246,70,1)",
},
},
areaStyle: {
color: new echarts.graphic.LinearGradient(
0,
0,
0,
1,
[
{
offset: 0,
color: "rgba(253,246,70,0.3)",
},
{
offset: 0.6,
color: "rgba(253,246,70, 0)",
},
],
false
),
shadowColor: "rgba(253,246,70, 0.9)",
// shadowBlur: 20,
},
data: y,
},
{
name: "环比",
type: "line",
yAxisIndex: 1, //使用的 y 轴的 index，在单个图表实例中存在多个 y轴的时候有用
smooth: true, //平滑曲线显示
symbol: "circle", //标记的图形为实心圆
symbolSize: 0, //标记的大小
itemStyle: {
// normal: {
color: "rgba(255,135,6,1)",
borderColor: "rgba(255,135,6,1)", //圆点透明 边框
borderWidth: 0,
lineStyle: {
color: "rgba(255,135,6,1)",
},
// },
},
areaStyle: {
color: new echarts.graphic.LinearGradient(0, 0, 0, 1, [
{
offset: 0,
color: "rgba(255,135,6,0.3)",
},
{
offset: 0.6,
color: "rgba(255,135,6, 0)",
},
]),
},
data: [30,20,30,100,90],
},
{
type: 'custom',
renderItem: (params, api) => {
const location = api.coord([api.value(0), api.value(1)]);
location[0] = location[0] + wid * 0;
const xlocation = api.coord([api.value(0), 0]);
xlocation[0] = xlocation[0] + wid * 0;
return {
type: 'group',
children: [{
type: 'CubeLeft',
shape: {
api,
xValue: api.value(0),
yValue: api.value(1),
x: location[0],
y: location[1],
xAxisPoint: xlocation
},
style: {
fill: new echarts.graphic.LinearGradient(0, 0, 0, 1, [{
offset: 0,
color: '#40fbeb'
},
{
offset: 1,
color: '#40fbeb'
}
])
}
}, {
type: 'CubeRight',
shape: {
api,
xValue: api.value(0),
yValue: api.value(1),
x: location[0],
y: location[1],
xAxisPoint: xlocation
},
style: {
fill: new echarts.graphic.LinearGradient(0, 0, 0, 1, [{
offset: 0,
color: '#25dbc9'
},
{
offset: 1,
color: '#25dbc9'
}
])
}
}, {
type: 'CubeTop',
shape: {
api,
xValue: api.value(0),
yValue: api.value(1),
x: location[0],
y: location[1],
xAxisPoint: xlocation
},
style: {
fill: new echarts.graphic.LinearGradient(0, 0, 0, 1, [{
offset: 0,
color: '#84fffb'
},
{
offset: 1,
color: '#84fffb'
}
])
}
}]
}
},
color: 'blue',
data: y
}]
};